Now that taking exercise will build up your       , you should try to run in the morning.

Life is tough in the city. In order to lose their　　　，some people drink alcohol. 

He spent a large ___ of money on his books.

Seeing the happy ______ of children playing in the park, I’m full of joy and confidence in the future of our travel agency.

 ---What do you think of the dinner in Mr Brown's?---Oh, great! We have never had a better one. It's a dinner of twenty ____.